The Astra Cartographica is an Imperial agency which is dedicated to mapping the stars. Many Rogue Traders are employed by the agency. The esoteric cartomancers of the Navigator Houses sometimes aid in creating cartographs of stable warp routes.

星图会是一个致力于绘制群星地图的帝国机构。许多行商浪人受雇于该机构。导航者家族的隐秘制图师有时会帮助绘制稳定的亚空间地图。